151120020 has 24 divisors (see below), whose sum is σ = 423136224. Its totient is φ = 40298656.

The previous prime is 151119971. The next prime is 151120033. The reversal of 151120020 is 20021151.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 151119978 and 151120005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1259274 + ... + 1259393.

It is an arithmetic number, because the mean of its divisors is an integer number (17630676).

Almost surely, 2^151120020 is an apocalyptic number.

151120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151120020 is an abundant number, since it is smaller than the sum of its proper divisors (272016204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151120020 is a wasteful number, since it uses less digits than its factorization.

151120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518679 (or 2518677 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 151120020 is about 12293.0883019687. The cubic root of 151120020 is about 532.6484498720.

Adding to 151120020 its reverse (20021151), we get a palindrome (171141171).

The spelling of 151120020 in words is "one hundred fifty-one million, one hundred twenty thousand, twenty".